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| 1.0L Head Repair Guide | |
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| Topic Started: Sep 10 2008, 09:41 PM (3,869 Views) | |
| scooby | Jul 23 2009, 03:17 PM Post #16 |
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New Member
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I understand that, I have two in the head, but I don't believe they are removable, or they don't seem to be. In the pic above he has two in the block so that's why i was asking. |
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| Johnny Mullet | Jul 23 2009, 05:57 PM Post #17 |
"Mullet of Ox"
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There are only two and they come out with Vise Grips carefully wiggling back and forth and pulling. |
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| 3tech | Jul 24 2009, 12:51 AM Post #18 |
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Or just set them in the retainer before you push it down. Once the retainer drops past the grove in the valve stem, the keepers will fall into place. Put something on the bench, just below the valve to prevent it from moving while you push the retainer down, and it will go easier. |
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| unicron7 | Aug 27 2009, 03:27 PM Post #19 |
Proud new geo owner
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I noticed in the repair manual that you are supposed to put red silicon on each side of the head before you put it back on, could anyone post a picture of the head showing exactly where the stuff needs to be applied(perhaps drawing a red outline on the head in MS paint)? It goes into no detail in the manual, it just points to the general area of where it goes. This thread rocks and it's inhabitants. |
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| electromdc | Oct 2 2009, 08:52 AM Post #20 |
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Fresh Fish
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1996 1.0L metro 170k miles ----replacing head gasket due to overheat and water in the oil. I successfully used the spark plug socket method to remove the springs and valves from the head. What items need to be replaced when rebuilding a head that was working before? I am replacing all valves, cam seal, head gasket(obviously) and head bolts. (forgive me, I am a novice) Do I need to replace lifters? they look fine to me as well as the springs. Do I need to replace the tiny metal pieces (0.3 inch long, halved cylinders: ID = valve stem OD) that fell out when I removed the valves? what are they called? retainers? Also, is there anything else I should take care of while I have things apart? I ordered a water pump and timing belt. thanks. Edited by electromdc, Oct 2 2009, 08:53 AM.
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| Johnny Mullet | Oct 2 2009, 09:56 AM Post #21 |
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"Mullet of Ox"
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Just replace the exhaust valves with stainless steel and replace the valve stem seals. No need to replace the valve retainers. Only replace lifters if they were noisy before you removed the head. |
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| Ben jammin' | Oct 25 2009, 08:38 PM Post #22 |
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New Member
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I've read in other posts that the 1.0 head should be milled before reinstall. Is that only necessary if it is warped? Does a Geo head develop rings (grooves) around the cylinders where the metal in the gasket contacts the head and block? 
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| Johnny Mullet | Oct 25 2009, 08:58 PM Post #23 |
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"Mullet of Ox"
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Normally there will be no ridge found on the cylinder walls and no need to mill the head unless it's warped. It's always good to check the head with a straight-edge. |
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| ringmale | Nov 21 2009, 04:23 PM Post #24 |
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Fresh Fish
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hello im new here i have a 1994 califonia model geo metro i had the head rebuilt got it back installed it and now im having trouble timing it my haynes manual covers to many years to be clear i can't tell if i have a electronic spark control distributor if i do i cant find the diagnostic connecor they say you are suposed to put a jumper in |
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| Bad Bent | Nov 21 2009, 07:43 PM Post #25 |
Facetious Educated Donkey
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Welcome to the forum, ringmale!  You can start your own Topics whenever you want with your next question, if you wish. 
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| ringmale | Nov 21 2009, 08:25 PM Post #26 |
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Fresh Fish
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the plug that hangs off te fire wall there on mine is a six plug with five wires |
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| ringmale | Nov 21 2009, 08:27 PM Post #27 |
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Fresh Fish
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and i couldn't find any way to start a topic yes i know im doing good today |
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| Bad Bent | Nov 21 2009, 09:29 PM Post #28 |
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Facetious Educated Donkey
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Here's a pic of the sticker that should be under your hood. This is for a '96. It indicates the lower left two connectors are to be plugged. Some members and Moi set timing at 8 BTDC. Click on Geo Metro Forum → The Garage → Metro Tech and to the right of pages you will see New Topic. |
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| ringmale | Nov 21 2009, 09:58 PM Post #29 |
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Fresh Fish
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thank you very much the car has been wrecked in the past so the hood was changed and the sticker is off of a 91 and of course after posting on this topic i figured out how to post my own |
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| StevieC | Jan 19 2010, 10:40 PM Post #30 |
 
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My question - where did you buy the parts for everything? And how much did it come to? I think I need to rebuild the top end on mine... |
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6:33 AM Mar 12
